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cs.DM2022
The smallest 5-chromatic tournament
Thomas Bellitto, Nicolas Bousquet, Adam Kabela +1
A coloring of a digraph is a partition of its vertex set such that each class induces a digraph with no directed cycles. A digraph is -chromatic if is the minimum number of…
cs.DM2022
Homomorphically Full Oriented Graphs
Thomas Bellitto, Christopher Duffy, Gary MacGillivray
Homomorphically full graphs are those for which every homomorphic image is isomorphic to a subgraph. We extend the definition of homomorphically full to oriented graphs in two diff…